SOLUTION: Solve x^2+6x+9=49 a.4,-4 b.10,-4 c.4, -10 d.10,-10

Question 119194: Solve
x^2+6x+9=49
a.4,-4
b.10,-4
c.4, -10
d.10,-10
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation

Subtract 49 from both sides.

Combine like terms

Factor the left side (note: if you need help with factoring, check out this solver)

Now set each factor equal to zero:
or

or Now solve for x in each case

So our answer is
or

Notice if we graph we can see that the roots are and . So this visually verifies our answer.

So the answer is C)
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